TABLE 1.
Age 5–11 y (n = 75)
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Age 12–14 y (n = 182)
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Age 15–17 y (n = 369)
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Statistic | df | p | ||||
Characteristic | n | % | n | % | n | % | |||
Sex (% girls) | 14a | 18.7 | 68b | 37.4 | 97a | 26.3 | χ2 = 11.44 | 2 | .003 |
Ethnicity | FET | .792 | |||||||
Non-Hispanic | 73 | 97.3 | 176 | 96.7 | 355 | 96.2 | |||
Hispanic | 1 | 1.3 | 4 | 2.2 | 11 | 3.0 | |||
Unknown | 1 | 1.3 | 1 | 0.5 | 2 | 0.5 | |||
Suicide Method | χ2 = 76.08 | 4 | <.001 | ||||||
Hanging, strangulation, or suffocation | 69 | 92.0 | 141 | 77.5 | 179 | 48.5 | |||
Firearm | 4 | 5.3 | 33 | 18.1 | 157 | 42.5 | |||
Poisoning and other methodsa | 2 | 2.7 | 8 | 4.4 | 33 | 8.9 | |||
Injury occurred at decedent’s residence (% Yes) | 71a | 94.7 | 161a | 88.5 | 262b | 71.0 | χ2 = 39.75 | 3 | <.001 |
Precipitating Circumstances b | |||||||||
Relationship problems | |||||||||
Boyfriend/girlfriend problem | 1a | 1.4 | 10a | 6.5 | 65b | 19.9 | FET | <.001 | |
Boyfriend/girlfriend problem was a crisis | 1a | 1.4 | 3a | 1.9 | 26b | 8.0 | FET | .007 | |
Family problem | 26a | 37.7 | 56a | 36.4 | 73b | 22.3 | χ2 = 13.71 | 2 | .001 |
Family problem was a crisis | 10a | 14.5 | 27a | 17.5 | 26a,b | 8.0 | χ2 = 10.19 | 2 | .006 |
Friend problem | 15 | 21.7 | 33 | 21.4 | 55 | 16.8 | χ2 = 1.93 | 2 | .381 |
Friend problem was a crisis | 0 | 0.0 | 2 | 1.3 | 6 | 1.8 | FET | .778 | |
Precipitating Circumstances b |
Age 5–11 y (n = 75)
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Age 12–14 y (n = 182)
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Age 15–17 y (n = 369)
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n | % | n | % | n | % | Statistic | df | p | |
Interpersonal Trauma and Life Stressors | |||||||||
Decedent had a history of abuse | 4 | 5.8 | 3 | 1.9 | 8 | 2.4 | FET | .257 | |
Suicide directly precipitated by abuse | 0 | 0.0 | 3 | 1.9 | 1 | 0.3 | FET | .147 | |
Perpetrator of interpersonal violence | 2 | 2.9 | 4 | 2.6 | 15 | 4.6 | FET | .655 | |
Victim of interpersonal violence | 0 | 0.0 | 3 | 1.9 | 2 | 0.6 | FET | .247 | |
Involved in physical fight immediately before death | 1 | 1.4 | 1 | 0.6 | 3 | 0.9 | FET | .844 | |
An argument or conflict led to the decedent’s death | 13 | 18.8 | 42 | 27.3 | 59 | 18.0 | χ2 = 5.60 | 2 | .061 |
Timing of the argument that led to death | |||||||||
Injury occurred during argument | 0 | 0.0 | 0 | 0.0 | 7 | 2.1 | FET | .116 | |
Injury occurred within 24 h of argument | 10a | 14.5 | 31a | 20.1 | 33a,b | 10.1 | χ2 = 9.13 | 2 | .010 |
Injury occurred between 24 h and 2 wk | 0 | 0.0 | 1 | 0.6 | 5 | 1.5 | FET | .593 | |
Physical health problem | 2 | 2.9 | 2 | 1.3 | 11 | 3.4 | FET | .474 | |
School problem | 23a | 33.3 | 57a | 37.0 | 70b | 21.4 | χ2 = 14.32 | 2 | .001 |
School problem was a crisis | 6a | 8.7 | 13a | 8.4 | 12a,b | 3.7 | χ2 = 5.87 | 2 | .053 |
Death of friend or family member | 5 | 7.2 | 9 | 5.8 | 19 | 5.8 | χ2 = 0.22 | 2 | .897 |
Crime and Criminal Activity | |||||||||
Recent criminal legal problem | 0a | 0.0 | 6a | 3.9 | 32b | 9.8 | FET | .002 | |
Other legal problem | 0 | 0.0 | 2 | 1.3 | 8 | 2.4 | FET | .471 | |
Suicide-Related Circumstances | |||||||||
History of suicidal thoughts or plans | 12 | 17.4 | 24 | 15.6 | 52 | 15.9 | χ2 = 0.12 | 2 | .941 |
History of suicide attempt | 10 | 14.5 | 27 | 17.5 | 56 | 17.1 | χ2 = 0.34 | 2 | .844 |
Suicide intent disclosed within past month | 19 | 27.5 | 24 | 15.6 | 72 | 22.0 | χ2 = 4.72 | 2 | .095 |
Suicide note | 8a | 11.6 | 33a | 21.4 | 83b,a | 25.4 | χ2 = 6.36 | 2 | .042 |
Recent suicide of friend or family member | 1 | 1.4 | 3 | 1.9 | 6 | 1.8 | FET | .967 |
Note: FET = Fisher’s exact test.
Other suicide methods include fall, transportation-related, drowning, cut/pierce, fire/burn, overdose, and unspecified methods.
Precipitating circumstances were known in 550 youths: 5–11 y (n = 69); 12–14 y (n = 154); 15–17 y (n = 327).